Robotic exoskeleton learns to help people stand up

This new robotic exoskeleton uses machine learning to know when users want help standing up.
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RIKEN Research Winter Issue

It’s almost the end of the year and a here’s an early holiday present! The winter issue of RIKEN Research is here, covering plant parasites, depression, atomic clocks, and more! Enjoy!

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Cyborg microchip valve driven by earthworm muscle

This earthworm muscle-controlled biological microelectromechanical system (bio‐MEMS) could lead the way to next-generation medical implants.
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Consciousness, brain connections, and the claustrum

Research shows that the claustrum acts as a ‘consciousness conductor’ that synchronizes and connects areas within the mouse brain.
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The brain’s GPS has a buddy system

In addition to encoding self location, brain cells in the rat hippocampus act like a GPS that encodes the location of other rats.

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Eve Marder: freeing knowledge, crashing neurons

None of us would get on a plane that had its parts changed in mid-air, says Eve Marder, who has spent her career probing a very specific cluster of crustacean nerve cells. Yet we are all walking around undergoing a constant turnover of cellular parts, and so are the lobsters and crabs Marder studies.

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Telework: a societal game-changer

COVID-19 series — installment #3: Team Leader Osamu Sakura (@RIKEN Center for Advanced Intelligence Project) talks about how the pandemic has affected society through the need for telework.
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Protein pileup affects social behavior through altered brain signaling

When a normal cellular cleanup process is disrupted, social behavior in mice is disrupted and they start behaving in ways that resemble human symptoms of autism spectrum disorder and schizophrenia.

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Flies use fecal deposits as pheromones

Bioluminescence imaging of fly brains reveals neurons sensitive to fly poo laced with pheromones (you can see the fecal “landmark” in the dotted circle). Need we say more?

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Gut bacteria could help overcome milk allergy

Analysis shows that some gut bacteria could help improve oral immunotherapy against milk allergy.
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How group size affects cooperation: Insights from brain science

Using the prisoners dilemma game, brain scientists showed that larger group size reduces cooperation.
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Bacterial drug resistance studied by robotic E. coli evolution

Experimentally evolving E. coli under pressure from a large number of antibiotics was able to identify constraints underlying evolved drug resistance.
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Eating a high fat diet without getting obese?

Scientists discover that without innate immune cells in the intestines, eating a high fat diet does not lead to obesity in mice.
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Social contact-seeking behavior and loneliness in the brain

Levels of the peptide amylin in the brain are related to loneliness; activating amylin neurons in the MPOA drives isolated mice to seek social contact.
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Why (mouse) mothers take risks to protect their infants

The calcitonin receptor and its ligand amylin act in the brain to motivate mouse mothers to protect their pups, even in risky/dangerous situations.
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Introducing Nikola, the emotional android boy

A new android named Nikola will help researchers study facial expressions, emotions, and social interactions.
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